56 lines · cpp
1//===-- HostInfoFreeBSD.cpp -----------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Host/freebsd/HostInfoFreeBSD.h"10#include "llvm/Support/FormatVariadic.h"11#include <cstdio>12#include <cstring>13#include <optional>14#include <sys/sysctl.h>15#include <sys/types.h>16#include <sys/utsname.h>17#include <unistd.h>18 19using namespace lldb_private;20 21llvm::VersionTuple HostInfoFreeBSD::GetOSVersion() {22 struct utsname un;23 24 ::memset(&un, 0, sizeof(utsname));25 if (uname(&un) < 0)26 return llvm::VersionTuple();27 28 unsigned major, minor;29 if (2 == sscanf(un.release, "%u.%u", &major, &minor))30 return llvm::VersionTuple(major, minor);31 return llvm::VersionTuple();32}33 34std::optional<std::string> HostInfoFreeBSD::GetOSBuildString() {35 int mib[2] = {CTL_KERN, KERN_OSREV};36 uint32_t osrev = 0;37 size_t osrev_len = sizeof(osrev);38 39 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)40 return llvm::formatv("{0,8:8}", osrev).str();41 42 return std::nullopt;43}44 45FileSpec HostInfoFreeBSD::GetProgramFileSpec() {46 static FileSpec g_program_filespec;47 if (!g_program_filespec) {48 int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};49 char exe_path[PATH_MAX];50 size_t exe_path_size = sizeof(exe_path);51 if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)52 g_program_filespec.SetFile(exe_path, FileSpec::Style::native);53 }54 return g_program_filespec;55}56